+ enabled[threadid]=enabled_status;
+}
+
+/**
+ * @brief Check if a Thread is currently enabled
+ * @param t The Thread to check
+ * @return True if the Thread is currently enabled
+ */
+bool Scheduler::is_enabled(Thread *t) const
+{
+ int id = id_to_int(t->get_id());
+ return (id >= enabled_len) ? false : (enabled[id] != THREAD_DISABLED);
+}
+
+enabled_type_t Scheduler::get_enabled(Thread *t) {
+ return enabled[id_to_int(t->get_id())];
+}
+
+void Scheduler::update_sleep_set(Node *n) {
+ enabled_type_t *enabled_array=n->get_enabled_array();
+ for(int i=0;i<enabled_len;i++) {
+ if (enabled_array[i]==THREAD_SLEEP_SET) {
+ enabled[i]=THREAD_SLEEP_SET;
+ }
+ }
+}
+
+/**
+ * Add a Thread to the sleep set.
+ * @param t The Thread to add
+ */
+void Scheduler::add_sleep(Thread *t)
+{
+ DEBUG("thread %d\n", id_to_int(t->get_id()));
+ set_enabled(t, THREAD_SLEEP_SET);
+}
+
+/**
+ * Remove a Thread from the sleep set.
+ * @param t The Thread to remove
+ */
+void Scheduler::remove_sleep(Thread *t)
+{
+ DEBUG("thread %d\n", id_to_int(t->get_id()));
+ set_enabled(t, THREAD_ENABLED);